Plaster.



UNITED STATES LTOSS HGTQI'BHCt PATENT OFFICE.

\VILLIAM H. BEARDSLEY, OF PITTSBURG, PENNSYLVANIA.

PLASTER.

SPECIFICATION forming part .of Letters Patent No. 639,340, dated December 19, 1899.

Application filed February 21, 1899.

To all whom it 12mg concern:

Be it known that I, WILLIAM H. BEARDS- LEY, a-citizen of the United States of America, residing at Pittsburg, in the county of Alle- 5 gheny and State of Pennsylvania, have invented certain new and useful Improvements in Plaster; and I do hereby declare the following to be a full, clear, and exact description thereof.

10 My composition consists of the following ingredients combined in or about the proportions stated, viz: sand thirteen hundred pounds; cinders, two undred pounds; eg ment, three po'ii'udsgglggeight pounds; hair r5 one'find one-half poun s; one pound; molasses one pound; talc three pounds; stuggg-i. e., slaked lime, white sand an g%psum-four uu re pounds; whitmg, one un red pounds, and lime one :0 un red pounds. These ingredients are to be thoroughly mingled with the proper propor- Serial No. 706,339. (No specimenyfi Ga A 1' tion of water to form a plastic mass either by a pug-m1 or in the manner well known in the art. By the use of this mixture a finegrained and easily-working material is formed for use as a plaster for buildings, masonry, brickwork, 8:0.

What I claim, and desire to secure by Letters Patent of the United States, is-

The herein-described composition of matter, consisting of water, sand, cinders, cement, glue, stucco, lime, hair, whiting, molasses, talc and acid, substantially as described aud for the purpose specified.

In testimony whereof I have hereunto affixed my signature in the presence of two subscribing witnesses.

WILLIAM H. BEARDSLEY.

. WVitnesses:

JOHN GROETZINGER, H. E. BECKER.

wwuumer 

